FIELD: information technology.
SUBSTANCE: invention relates to signal encoding and is intended for processing a signal with window weight coefficients. Signal processor for providing a processed version of an input signal depending on input signal comprises a windower, configured to window a portion of input signal, or of a pre-processed version thereof, in dependence on a signal processing window, described by signal processing window values for a plurality of window value index values, in order to obtain processed version of input signal. Signal processor also comprises a window provider for providing signal processing window values for a plurality of window value index values in dependence on one or more window shape parameters.
EFFECT: technical result is high efficiency of encoding by adaptation of window characteristics to characteristics of input spectrum.
6 cl, 16 dwg
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|
RU2595889C1 |
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